Shelley Catherine Hennig (born January 2, 1987) is an American model, actress and beauty pageant titleholder who held the Miss Teen USA 2004 title. She played Stephanie Johnson on Days of Our Lives and starred in the CW series The Secret Circle as Diana Meade. She currently plays the character Malia Tate in Teen Wolf. Hennig also starred in horror films Ouija as Debbie, and Unfriended as Blaire.